how to use protected against explosions in underground mining machines, mobile, in particular to a trailer of a roadheading machine.

摘要

how to use explosion-proof electrical machinery of underground mining to an enclosure (36) lightbased on all the sides of sheets or plates (37, 43) with elastic joints (32, 35) and subjected to a forced ventilationthe chamber is mounted on a frame (9) carried by a rigid frame and torsion.